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MAVERICK [17]
3 years ago
8

If there are 100 men per city block and 2000 blocks in the city, how many men are in the city?

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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In a quiz competition, the host asked a question and provided three possible answers. What is the probability that the answer ch
murzikaleks [220]

Answer:

2/3 probability that the answer choice which rohit selects for question is wrong.

Step-by-step explanation:

Completing the question :- what is probability that the answer choice which rohit selects for question is wrong.

Answer :

Since there are 3 possible options provided out of which 1 is correct. So probability of correct answer is 1/3. probability of incorrect answer is 2/3.

So, there is 2/3 probability that the answer choice which rohit selects for question is wrong.

4 0
1 year ago
Find the mean, median, mode, range, and standard deviation of the data set obtained after multiplying each value by 2. Round to
Elena L [17]

Answer:

mean: 8.9, median: 9, mode: 3, range: 14, standard deviation: 5.1

Step-by-step explanation:

The mean is all the numbers added up, divided by how many numbers there are. To get the median you arrange the numbers biggest to smallest and find the middle number.

7 0
3 years ago
Read 2 more answers
Helppp can u finish the problem plz show your work!!!!
sveticcg [70]
_
2.6
__
3/8.0
-6
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20
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answer: 2.6
4 0
3 years ago
The lengths of plate glass parts are measured to the nearest 1/10 mm. The lengths are discretely and uniformly distributed with
vagabundo [1.1K]
For uniform, the mean is:

<span>x¯ = (<span>590.0+590.9) 2</span></span>
The variance is:<span>
σ = sqrt [ (<span><span>n2−1) /</span>12  ]

</span></span><span> Where n=10.

The answer would be 590.45


I hope my answer has come to your help. Have a nice day ahead and may God bless you always!</span>
8 0
3 years ago
In Nebraska, the mean rain-fed corn yield of harvested fields are normally
NikAS [45]

Answer: 169.2 per acre are produced if a field is in the top 25%.

Step-by-step explanation:

Given:  The mean rain-fed corn yield of harvested fields are normally  distributed, produce 147.2 bushels per acre with a standard deviation of 33 bushels per acre.

Let X denote the mean rain-fed corn yield of harvested fields.

Let x denotes the number of bushels per acre are produced if a field is in the top 25%.

Top 25% on a density curve means , (100-25%)i.e. 75% area lies below x.

I.e.

P(X.

Z-score for p-value of 0.75 (one tailed)=0.67 [By z-table]

Then, \dfrac{x-147.2}{33}=0.6744

\Rightarrow\ {x-147.2}=33\times0.67\\\\\Rightarrow\ {x-147.2}=22.11\\\\\Rightarrow\ {x}=22.11+147.2=169.31

Here approx value is 169.2 (from options).

So, 169.2 per acre are produced if a field is in the top 25%.

6 0
3 years ago
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